Craigslist seems to be the best source, at least in my area. I've paid between $20 and $70 for them, depending on the condition and seller.Where do you find them inexpensively and how much do you expect to pay for a pair?
Do you search by year! If so, what year?
If searching eBay what search terms do you use?
The converter element is right inside the muffler and forms part of the baffling system. You can see it easily by looking into the leading end. Looks like a honeycomb sort of structure. Drilling it is not easy as it is hard as a rock. Plus you need a very long bit. I have a pair here still in the box never fired and I doubt that I’ll ever use them because they are the catalytic converter type. They were cheap, but a poor choice in my opinion.Are the cat converters in the muffler themselves or in the crossover section?
How easy are these to spot if in the muffler??...tapped sensor hole? or less obvious?
Same thing happens in your car. Unless you're running leaded gas, it should take a long time to manifest.I don't think the cats produce a lot of back pressure when new but as I understand it, they can become clogged over time, causing the exhaust to become restrictive (as in the exhaust can't pass through them).
(From)Not cat converter compatible oil?? (e.g. high zinc)...no not starting a oil thread...One of the guys on the NGW forum had his plug up enough that it had a big effect on how the engine ran in a few months.
Yup, my 1500's valve guide seals let a smidge of oil sneaky by. If I shut it off while on the side stand it'll puff briefly at startup. BUT if I shut it off after putting it on the center stand it won't. Crazy stuff.4 cylinder 'Wings can smoke on startup. This is caused by a minuscule amount of oil getting past the rings when the engine is cold, especially on the left side when parked on the side stand, although mine (which is held upright by the sidecar) does it occasionally too.We're talking about such a small amount that the oil usually doesn't need to be topped up between changes but the clouds cam occasionally be quite impressive. It was common enough that Honda issued a service bulletin explaining that it was normal and nothing to be concerned about as long as it stops after a few seconds.
Perhaps that's why his cats became fouled....
Yep, i had a (8valve) K100RS for bout 20 years, &200000km from newI can't say for sure about 1500s but on the 4 cylinder 'Wings oil that is left in the cylinder "below" the piston when the engine is shut off pools in the cylinders and if the ring gaps happen to be facing downward (they rotate in the grooves during operation) when the engine cools and the gaps open a tiny drop of oil can work it's way through and burn when the engine is started. And if it is parked on the side stand the oil in the left cylinders runs downhill to sit against the pistons so it is more likely to happen.
The BMW K bikes have all of the cylinders facing left and apparently some of them can generate quite a smoke screen if the side stand is used.....